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Harman [31]
4 years ago
15

According to current scientific thinking how did the solar system that contains earth form

Physics
2 answers:
beks73 [17]4 years ago
7 0

Scientists think the solar system formed around 4.6 billion years ago from a cloud of dust and gas known as a solar nebula. Gravity collapsed the material on itself as it began to spin. This formed the sun in the middle. The planets formed when rock joined together in clumps and became bigger and bigger. And thus, our solar system was formed. Hope this helped

KiRa [710]4 years ago
6 0
Scientists think the solar system formed around 4.6 billion years ago from a cloud of dust and gas known as a solar nebula. Gravity collapsed the material on itself as it began to spin. This formed the sun in the middle. The planets formed when rock joined together in clumps and became bigger and bigger. And thus, our solar system was formed. Hope this helped
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What should you do if a fire breaks out in the back of your boat?
valkas [14]

If a fire breaks out in the back of your boat you should put the back of the boat into the wind so that the fire will not spread easily. Then turn off the engine and paddle the boat to keep the boat into the wind. Also use a fire extinguisher to put the fire off.

8 0
4 years ago
The spring to launch a pinball in a pinball machine is compressed 25 cm and has a spring constant of 140 N/m.
mote1985 [20]

Answer:

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8 0
3 years ago
What tool should a scientist use to measure an object in milligrams
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8 0
3 years ago
If R = 12 cm, M = 520 g, and m = 20 g (below), find the speed of the block after it has descended 50 cm starting from rest. Solv
timofeeve [1]

Answer:

v = 0.84 m/s

Explanation:

given,

R = 12 cm

M (mass of pulley )= 520 g

m  (mass of block)=  20 g

s = 50 cm = 0.5 m

using conservation of energy

Potential energy = Kinetic energy

 m g h = \dfrac{1}{2}mv^2 + \dfrac{1}{2}I\omega^2

   I_{disk}= \dfrac{1}{2}MR^2  and v = r ω

 m g h = \dfrac{1}{2}mv^2 + \dfrac{1}{2}(\dfrac{1}{2}MR^2)(\dfrac{v}{R})^2

 m g h = \dfrac{1}{2}mv^2 +\dfrac{1}{4}Mv^2

 m g h = \dfrac{1}{2}v^2(m +\dfrac{1}{2}M)

 v=\sqrt{\dfrac{2mgh}{m + 0.5 M}}

 v=\sqrt{\dfrac{2\times 0.020 \times 9.8 \times 0.5}{0.02 + 0.5\times 0.52}}

      v = √0.7

      v = 0.84 m/s

5 0
3 years ago
Consider a polymer formed by a chain process. By how much does the kinetic chain length change if the concentration of initiator
o-na [289]
Answer: it’s in the picture
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